Skip to content
ModelCap

Head-to-head comparison

Nemotron 3 Ultra vs Ornith 1.5 9B

Nemotron 3 Ultra (NVIDIA) and Ornith 1.5 9B (Ornith Ai) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 3 September 2026

As of 3 September 2026, Nemotron 3 Ultra holds the stronger ModelCap Index position (#48 vs #51); and Ornith 1.5 9B ships open weights.

Which should you choose?

Choose Nemotron 3 Ultra if…

  • you want the stronger overall ModelCap Index position — #48 against #51 (51.7 vs 49.0 points).
  • you want provider choice — 3 listed API providers against 0.

Choose Ornith 1.5 9B if…

  • you want to self-host: Ornith 1.5 9B ships open weights while Nemotron 3 Ultra is restricted license.
  • you want the more recently listed model — Ornith 1.5 9B was listed 18 August 2026, Nemotron 3 Ultra 4 June 2026.

Nemotron 3 Ultra vs Ornith 1.5 9B: specs, pricing and context

Specification comparison of Nemotron 3 Ultra and Ornith 1.5 9B
FieldNemotron 3 UltraNVIDIAOrnith 1.5 9BOrnith Ai
ModelCap Index position#48#51
Index score51.749.0
EvidenceMeasuredEstimated
Input price / 1M tokens$0.60Unlisted
Output price / 1M tokens$2.40Unlisted
Context window262K tokens— tokens
Max output tokens183K—
API providers listed30
Weight accessRestricted licenseOpen weights
Input modalitiesTextText
First listed4 June 202618 August 2026
PublisherNVIDIAOrnith Ai

Evidence: 2 public benchmark observations across 2 boards · start rank interpolated from the launch card's own comparison table against resolved catalogue peers, discounted for measured cross-lab optimism. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Nemotron 3 Ultra vs Ornith 1.5 9B

Public benchmark boards where Nemotron 3 Ultra or Ornith 1.5 9B has a published result
BoardNemotron 3 UltraOrnith 1.5 9BLeads
LMArena AgentLMArena-13.6%-16.1%–-11.0%—Only one result
AA Intelligence IndexArtificial Analysis38.3intelligence-index—Only one result
AA Terminal-Bench 2.1Artificial Analysis53.9%terminal-bench-2.1—Only one result
AA τ²-Bench TelecomArtificial Analysis83.3%tau2-bench-telecom—Only one result
AA Humanity's Last ExamArtificial Analysis28.4%humanitys-last-exam—Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Nemotron 3 Ultra vs Ornith 1.5 9B: common questions

Is Nemotron 3 Ultra better than Ornith 1.5 9B?

Nemotron 3 Ultra ranks higher on the ModelCap Index as of 3 September 2026: #48 against #51. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Nemotron 3 Ultra cheaper than Ornith 1.5 9B?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Nemotron 3 Ultra or Ornith 1.5 9B?

Both publish a 262K-token context window.

Which is better for coding, Nemotron 3 Ultra or Ornith 1.5 9B?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Nemotron 3 Ultra and Ornith 1.5 9B open-weight models?

Nemotron 3 Ultra: Restricted license. Ornith 1.5 9B: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Nemotron 3 Ultra and Ornith 1.5 9B?

ModelCap currently lists 3 API providers for Nemotron 3 Ultra and 0 for Ornith 1.5 9B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Nemotron 3 Ultra vs Ornith 1.5 9B comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

Explore further